package cn.epsilon3.mybatis.service;

/**
 * <p>
 * user_salt mapper 服务
 * </p>
 *
 * @author epsilon3
 * @since 2023-08-16
 */
public interface E3UserSaltMapperService {

    /**
     * 通过userId查找对应的盐
     *
     * @param userId 用户id
     * @return
     */
    String selectSaltByUserId(String userId);
}
